Optional self-retaining filter bag

  • US 5,137,632 A
  • Filed: 08/12/1991
  • Issued: 08/11/1992
  • Est. Priority Date: 10/04/1989
  • Status: Expired due to Term
First Claim
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1. A liquid filter comprising a housing defining a chamber therein, said housing having an upper opening into its chamber, a top spanning said housing opening, said housing including an annular support extending about the housing within said chamber, inlet and outlet ports located in liquid flow communication through said annular support, a filter bag for filtering liquid having an opening defined by a flexible shape-retaining edge portion, said bag opening edge portion being liquid impervious and having an annular V-shaped part terminating in an annular upturned lip part, at least part of said lip part extending at an acute angle relative to said V-shaped part, said housing including a lip spacedly located above said support, said bag fitted within said chamber and having its lip part located between said housing support and housing lip.

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